Removal of the Right Forward Mount Thrust Link [CFML]

TASK 71-21-11-000-803-A
Removal of the Right Forward Mount Thrust Link

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	AR	TAPE - ADHESIVE
No specific	AR	WARNING NOTICE(S)
98D71203018000	1	THRUST LINK R/I FOR CFM

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL, 438AR, 451AL, 452AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL, 448AR, 461AL, 462AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 71-13-00-010-803-A	Opening of the Fan Cowl Doors
TASK 72-24-03-000-801-A	Removal of the Strut 1
TASK 72-24-80-000-801-A	Removal of the Variable Bleed Valve (VBV) Ducts
TASK 78-30-00-040-809-A	Deactivation of the Thrust Reverser System for Ground Maintenance
TASK 78-36-00-010-806-A	Opening of the Thrust Reverser Cowl Doors
Right Forward Mount Thrust Link

3. Job Set-up
Subtask 71-21-11-941-070-A

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Put a WARNING NOTICE(S) in position to tell persons not to operate:

The ENG/MODE selector switch
The ENG/MASTER 1(2) control switch.

(2) On the ENG section of maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).

Subtask 71-21-11-010-097-A

B. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
(2) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.

Subtask 71-21-11-040-071-A

C. Deactivation of the Thrust Reverser System for Maintenance

WARNING: YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.

(1) Do the deactivation of the thrust reverser system for ground maintenance (Ref. AMM TASK 78-30-00-040-809).

Subtask 71-21-11-010-098-A

D. Get Access
(1) Open the thrust reverser cowl-doors (Ref. AMM TASK 78-36-00-010-806):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
451AL 452AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
461AL 462AR

4. Procedure
Subtask 71-21-11-020-071-A

A. Preparation for the Removal
(1) Remove the Variable Bleed Valve (VBV) ducts 1, 2, 3, 7 and 8 (Ref. AMM TASK 72-24-80-000-801).

NOTE: It is not necessary to remove the VBV grids.

(2) Remove the strut 1 (Ref. AMM TASK 72-24-03-000-801).

NOTE: The strut 1 removal support can be let in place.

(3) Install TAPE - ADHESIVE to protect engine case lugs.
(4) Disconnect the connectors of the harnesses HJ8A (13) and the harness HJ8B (12) from the connector plate.
(5) Remove the harness (11), the harnesses HJ8A (13) and (14), and the harness HJ8B (12) from the clamps on the bracket (10).
(6) Move the harness (11), (12), (13) and (14) away from the thrust link.

NOTE: It is not necessary to disconnect the harness (11) and (14).

(7) Remove the bracket (10).
(8) Install a Textile-Lint free Cotton - (Material No.14SBA1) below the thrust link clevis for protection.

Subtask 71-21-11-020-073-A

B. Removal of the Right Forward Mount Thrust Link
(1) Install the 98D71203018000 THRUST LINK R/I FOR CFM on both sides. Refer to the manufacturer's instructions.
(2) Remove and discard the two cotter pins (6).
(3) Remove the two nuts (5) and washers (4).
(4) Remove the two bolts (1) and washers (2).
(5) Remove the two pins (3).
(a) Use the thrust link pin removal (98D71203018048) to remove the pin (3) from the forward mount assembly (8) and the thrust link (7), and from the assembly of the engine case (9) and the thrust link (7). Refer to the manufacturer's instructions.
(6) Removal of the thrust link (7) from the engine case (9) and forward mount assembly (8).
(a) Safely support the thrust link (7) and keep it away from the other engine components.
(b) To remove the thrust link (7), move its aft and forward ends in sequence:
1 Move slightly outward the aft end of the link.
2 Move slightly inward the forward end of the link.
3 Repeat the steps 4.B.(6)(b)1_ and 4.B.(6)(b)2_ until you can free the thrust link from the two clevis.

[Rev.10 from 2021] 2026.04.01 12:58:13 UTC